Door-operating mechanism



Feb. 1l, 1:930. P. R. moBsoN` 1,746,341

DOOR OPERATING MECHANI SM Filed Feb. 2, 192e 2 sheets-sheet 1 V Perot?? obson Feb. 11; 1930. P. R. DoBsoN 1,746,341

DOOR OPERAI'lNG MECHANISM Filed Feb. 29. 1928 2 Sheets-Sheet 2 /nre/ffar L v f @A PercRDoso/ I 27 26 5]/ .5.1582 o 1942 Y :M afg',

Patented Feb. 11, 1930 UNITED STATES PATENT oFFlcE rEnoY ROBERT Boisson, or oaLGAnY, ALnnRTA, lCANADA DOQR-OPERATING MECHANISM appuc'anon mea February 29, 192s. serial no. 2,523,048.l l

This invention relates to improvements door operating mechanism and the objects of the inventionare to provide a `simply constructed durable means foil opening and closing doors associated with garages, barns and the like whereby such doors when opened or shut are automatically retained in this posi-v tion and the mechanism adapted to be locked. Further objects are to provide animproved l0. door operating mechanism that can be manufactured and fitted in vquantities at comparatively low cost and which will more eciently t perform` the functions required of it.

With the foregoing and other objects herei inafter moref-ully referred to, thenovel features of the invention reside in pivotally mounted door operating arms so arranged and designed that they swing to automatically lock in overlapping position at a prede- 2Qterminedpoint in `their travel to close the door and-,on being operated straighten out to open the door and to automatically lock in straightened out position at a predetermined point their travel, and mechanismcarried i by `the `door andoperable at a point removed therefrom for .operating the arms.

, `Referring now lto thedrawings in which like characters of reference indicate corresponding parts in each figure,

, Figure 1 is a `sectional plan view of the improvided mechanism as applied toa garage doorin .open position, i Y

Figure 2 is a similar view with the door closed,

of a garage door showing the connecting link for the operating rod, Figure 4 is a side elevation of Figure 3,

Figure 5 is an enlarged fragmentary view` of the operating door rods,

Figure 6 is a perspective View of the adjustable control rod connection,

Figure 7 is a vertical section through Fig` ure 6,

Figure 8 is a top plan view of Figure 6,

Figure 9 is a side elevation in folded posi-` tion,

Figure 10 isa plan view of the rack and.

quadrant,

-connected by means of adjusting screws 22 `which areadjnstably monntevd the arms 30 Figure 3 is a side elevation of the inside i,

l awaited toeliet member designed ,to ,en

is pvetally mount-clat@ a tpotlfid quadrant t tion but which can be constructed in any suitable form. This bracket 13 is formed at its outer end with a socketor sleeve lt `designed to `pivotally engage with the bolt portion 9 of atwo-way socket member 15 and to beretained in pivotal engagement therewith by means of a nut 1G Vand the screw-threaded end l17 of the member 15h. The sockets 18and 19 in the member 15` are arranged one above the Aother and at substantially right angles to one another `and are designed rvto detachably engage with arms 20 and 21` in turn adjiistably 23 to the sleeve members V24 and 25, these sleeve members being formed with extensions 26 Aadapted to pivotally engage with extensions 27 on-the sleeve members 28 and 29 in It may here be mentioned that the arms 30 and 31 are preferably, as shown, of greater Vlength than the arms 2() and 21 depending on the width of thedoor. 'Y 85 Associated with'theouter Vend of the arm 31 and coordinating therewithl is` a bracket member 32 mounted onthe inside of the `door sec-tion 11 i, and 4,havin-g therein aA `pivotally gage with the `outer end of the arm 3l.` Associated with the einer and of` the arm ,310 and `rsllySeduteden the inside of the daer Se@- tpn lO'Se rretrudllablaket 34 in which member 3,6 the stampi which is Socket inlined s M137 t9 ceses@ with ,Saldi mit ,50 Figure 11 is a side elevation of Figure 10. ,i u" 'A i at 39 to a bell crank lever 4() pivotally mounted at 41 on the inside of the door section 10.

It will be seen and understood from the foregoing that on this lever 40 being operated the quadrant member 36 is caused to move and with it the arm 30 and the co-ordinating arm 31. For instance, on the mechanism being in the position as disclosed in Figure 1 when the door sections are wide open, and a pull being exerted on the member 40 or pressure downwardly the arms 30 and 31 and 20 and 21 will automatically swing sufficiently far to cause the arms 31 and 30 to move beyond the point of centre of'their connection with the arms 20 and 2l, thus providing that on pressure being exerted on either of the door sections they will automatically return to closed position.

kIn carrying out this operation it will also be noted that the arms Will automatically assume the position shown in Figure 2 crossin one another While their travel in assuming this position is limited by engagement with the member 14 in which" an offset portion or stop 42 is provided. For conveniently operating the lever 40 and through it the mechanism as above described I provide a rod 43 connected at 44 to said mechanism and at its other end` adjustably connected at 45 to an operating handle 46 adapted to be locked either from the inside or the outside of the door by a lock of any wellknown construction (not shown).

From the foregoing the operation of the mechanism Will be practically self-evident. Once` in position and assuming the doors to be closed, to open them it is only necessary to firstunlock and operate the handle 46 When the device will expand from the vposition as shown in Figure 2 to the open position as shown in Figure 1 carrying With it autornatically` and simultaneously the door sections 10 and 11 to open them and retain them to all intents and purposes in this position. These arms 30 and 31 on assuming a straight position engage With and are limited in their forward travel by stops 47 and 48 integral withthe socket members 24 and 25.

To close the doors the operation has already been described and is accomplished by again operating thehandle 46 to in turn operate the lever 40 andthrowing the arms 30 and 31 otl' locking centre. Y 4

The bolt portion 9 of the member 15 can be utilized as a medium for power operating the device. f

As many changes could be madein the y above construction and many apparently widely different embodiments'of my invention, Within lthe scope of the claims, con- -struoted Without departing from the spirit or scopethereof, it is intended that all matter.

l oontainedin the accompanying vspecification ,and drawlngs shall be interpreted as' illus- "tative and not in a limiting sense.

What I claim as my invention is 1. Door operating mechanism comprising in combination a door formed in sections, a supporting bracket, jointed arms pivotally connected to the bracket and operatively connected to the door sections, socket members pivotally connected to the bracket protruding at substantially right angles to one'another and offset to overlap one another whereby, on the arm sections being swung, said arm sections are retained in crossed closed position.

2. The invention according to claim 1 in which the jointed arms comprise sections connected to one another by means oi sleeves in turn pivotally connected to one another, and adjusting screws for said sleeves.

3. The invention according to claim 1 in which a socket member is provided on one of the door sections and adj ustably connected to one end, a pivotally mounted toothed quadrant on the other end, a co-operating rack on the other door section, a. bell crank lever connected to the rack, an operating handle, a rod connecting the operating handle With the bell crank lever whereby, on the handle being operated, the lever is operated to cause the `arms to swing to overlapping or closed position to close the door and, on the handle being further operated, the lever Will cause the arms to straighten out to open and retain the door sections in open position.

4. In a device of the character described the combination with a door formed in sections having a socket member on one section and a lever operated rack on the' other section, of a branched vsvvingingly mounted socket member common to both sections, sectionally adjustable interlocking arms engaging With the socket member, one of said arms being pivotally connected to the socket-carrying door section and the other of said arms being pivotally connected to a quadrant adapted to co-operate With the rack on the other door section. y

In Witness whereof I have hereunto set my hand.

lIERCY ROBERT DOBSON.

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